21412430036 has 24 divisors (see below), whose sum is σ = 40268160576. Its totient is φ = 9926040960.

The previous prime is 21412430029. The next prime is 21412430041. The reversal of 21412430036 is 63003421412.

It is a super-2 number, since 2×21412430036² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21412429987 and 21412430014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2345360 + ... + 2354471.

It is an arithmetic number, because the mean of its divisors is an integer number (1677840024).

Almost surely, 2^21412430036 is an apocalyptic number.

It is an amenable number.

21412430036 is a deficient number, since it is larger than the sum of its proper divisors (18855730540).

21412430036 is a wasteful number, since it uses less digits than its factorization.

21412430036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699919 (or 4699917 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21412430036 its reverse (63003421412), we get a palindrome (84415851448).

The spelling of 21412430036 in words is "twenty-one billion, four hundred twelve million, four hundred thirty thousand, thirty-six".